Thailand Bolt & Nut Supplier | Fasteners for Auto Parts & Farm Machinery
Supplying Thailand's Detroit-of-ASEAN automotive and motorcycle cluster and its tier plants: 10.9 wheel studs and bolts, flange bolts, nylon-insert lock nuts and socket screws, plus A2/A4 stainless for food processing and farm machinery. FORM E / RCEP certificates, VCI anti-rust export packing, and the standard sample-signed trade flow.
Market Key Data
| Market Focus | Automotive & motorcycle · Food processing · Farm machinery |
| FTA Status | ASEAN-China FormE / RCEP |
| Typical Buyers | Tier-1/2 parts plants · OEM assembly · EPC contractors |
| Languages | English · Chinese (Thai on request) |
| Key Ports | Laem Chabang · Map Ta Phut · Bangkok |
Key Industries
Automotive and motorcycle plants and parts makers — 10.9 flange bolts and all-metal lock nuts for hot engine zones
Food and beverage lines — 304/316 stainless bolts for wash-down and chloride exposure
Farm machinery and sugar mills — hot-dip galvanized high-strength bolts for outdoor rain exposure
Racking and steel structures — bulk sets of DIN933/DIN934 standard parts
Xin Rui Da Supply Programme
Grade and torque pairing advice: step 8.8 up to 10.9 at vibrating stations with the matching torque chart - under-preload is the top loosening cause
DIN980 all-metal lock nuts recommended for engine-temperature zones (nylon inserts age out above 120°C)
A2/A4 stainless with electro-polishing or passivation for food lines, avoiding carbon-steel contamination rust
Counter-signed sample + AQL inspection + video inspection - three confirmation paths matching Thai buyers' audit habits
Frequently Asked Questions
Pickling and plating drives hydrogen into 10.9+ parts; without a 190-220°C bake there is a delayed-fracture risk. Our plated high-strength parts are baked by default and the certificate can note the process; hydrogen-free Dacromet is the other common automotive choice.
Both can be applied for - pick whichever gives the lower duty for your tariff line. For most common fastener lines FORM E is already highly preferential; confirm the certificate type and HS codes together when ordering.
Yes. With MOQs from 500 pcs per model, consolidating multiple SKUs into one container is the usual ramp-up pattern for new Thai customers - just list quantities and shipping marks per model in the inquiry.
Get Grade Selection & Quotation for Thailand Bolt & Nut Supplier | Fasteners for Auto Parts & Farm Machinery
Send the standard, size and length, class and finish and quantity — engineers reply with selection advice and FOB / CIF pricing within 24 hours.